KPH to MPH Converter

Enter km/h to convert to miles per hour.

Kilometers per hour type here

Miles per hour or here

Converted value

—

Miles per hour

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—1 Kilometers per hour → Miles per hour

—1 Miles per hour → Kilometers per hour

LiveTwo-way conversion

All units

Precision, factor & reference table

Display precision

1 Kilometers per hour = 0.621371 Miles per hour

Kilometers per hour	Miles per hour
1	0.621371
2	1.242742
5	3.106856
10	6.213712
20	12.427424
50	31.06856
100	62.137119

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Core conversion workflows

Start with a broad dimension converter or jump to the most common metric/imperial pairs. Specialist converters remain available from the full hub.

All 134 converters

Unit ConverterAll-in-one measurement conversion Length ConverterMetric and imperial length units Weight ConverterMass and weight units Temperature ConverterCelsius, Fahrenheit and Kelvin Inches → CMExact 2.54 conversion CM → InchesReverse exact length conversion KG → LBSKilograms to pounds LBS → KGPounds to kilograms °F → °CFahrenheit to Celsius °C → °FCelsius to Fahrenheit Miles → KMMiles to kilometers KM → MilesKilometers to miles

How to use this KPH to MPH Converter

Type a value in either Kilometers per hour or Miles per hour. The other field updates immediately, so you can work in either direction without a separate Convert step.

Conversion factor

1 Kilometers per hour = 0.621371 Miles per hour. Display rounding changes only what is shown; the declared factor remains the calculation basis.